baber/WOPTO huggingface dataset:
Patent JP-2003181605-A (JP)
Title: Immersion nozzle for continuous casting
Inventor: TAKASE KENJI
IPC: B22D11/10
Filed: 2001-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an immersion nozzle for continuous casting, provided with a spiral swirl vane for imparting swirl flow to molten steel within a nozzle, which can prevent the deposition of alumina or the like onto the swirl vane to prolong the service life of the swirl vane.  <P>SOLUTION: This immersion nozzle for continuous casting includes a nozzle body provided with a spiral swirl vane for imparting swirl flow to a molten steel therein. The amount of the molten steel poured is regulated by a sliding nozzle provided on the upper part of the immersion nozzle body. Further, the molten steel passage within the nozzle is divided into two parts by the swirl vane. The angle θ<SB>2</SB>of a direction indicated by the upper end of the swirl vane to a sliding direction of the sliding nozzle, is not more than 30 degrees.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002219251-A (JP)
Title: Pachinko game machine
Inventor: NIIYAMA KICHIHEI
IPC: A63F7/02
Filed: 2001-12-17
Abstract: PROBLEM TO BE SOLVED: To rationalize assembling by simplifying the relative positioning a shooting rail and a shooting rod. SOLUTION: The upper half of a front frame 5 can be opened and closed by a glass frame 2 and the lower half of the front frame 5 can be opened and closed by a closing panel 3. The closing panel 3 is opened to enable a shooting unit 14 to be attached and removed from the front side, with the mounting base member 26 of the shooting unit 14 anchored to an upstanding face 13 at the free end of the closing panel 3. A recess 27 for fitting the mounting base member 26 of the shooting unit 14 therein is formed in the upstanding face 13. With the mounting base member 26 fitted in the recess 27, an inlet of a ball guide passage 16 on a game board 8 is located ahead of the inclined upper end of the shooting rail 33 of the shooting unit 14.
Patent JP-2003186761-A (JP)
Title: Data collecting terminal device, network diagnostic system, control method of network diagnosis system, control program and recording medium
Inventor: INOUE TETSUYA
IPC: H04L12/28
Filed: 2001-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To keep network security and to reduce a cost for network diagnosis.  <P>SOLUTION: Data for network diagnosis is automatically collected from terminal devices 22B, 22C, 23C-23E, which compose a user network 20-1, by a data collecting agent on an agent terminal device 23B, and it is transmitted to a data collecting device 40B in a network diagnosis main system. Then, diagnosis is conducted by the data for network diagnosis, which is forwarded to a diagnostic device 40C by the data collecting device 40B, a diagnosis report is prepared by a diagnosis result reporting device 40D, and it is reported to the agent terminal device 23B.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003182745-A (JP)
Title: Standing pouch
Inventor: SUGIYAMA MORIHIRO
IPC: B65D30/16
Filed: 2001-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a large capacity standing pouch which can hold a content amount ranging from 1000 ml to 3000 ml and can endure a drop test.  <P>SOLUTION: This standing pouch is structured by side sealing (15, 16) both end edges of front and back two main body films (12, 13) and a two folded bottom tape (11) and by bottom sealing (17) the bottom end edge. The ratio of a pouch hole (14) formed in both end edges of the bottom tape in the area surrounded by the folded part (b) of the bottom tape and by a point (a) which is 10 mm inward from the side seal end edge of the folded part is made 12.5% or larger.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003186996-A (JP)
Title: Originality guarantee electronic medical record preserving system and method and its program and recording medium
Inventor: SAITO ATSUHISA
IPC: G16H10/60
Filed: 2001-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a system for preserving electronic medical records by guaranteeing the originality without decreasing an access speed.  <P>SOLUTION: At an electronic medical record input/output device 3 side, medical record information inputted by an input means 3a is transmitted through a network 2 to an electronic preserving device 1 by a transmitting means 3b. In the device 1 side, input medical record information acquired by a receiving means 1a is added with information for detecting alteration, and recorded in the device 1 as an original file by a recording means 1b, and the original file in the device 1 is copied to an inside storage medium so that a copy file can be prepared by a copying means 1c, and the original file recorded in the device 1 is moved and preserved in the removable storage medium of the device 1 by a preserving means 1d, and the list of the file of the medical record information in the device 1 is added with information for alteration detection, and recorded in the device 1 by a list recording means 1e. Then, the file in the device 1 transmitted by a transmitting means 1f is received by a receiving means 3c, and the medical record information is displayed by a display means 3d in response to a request issued from the device 3.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003187625-A (JP)
Title: Sidelight type backlight device
Inventor: HANIYU ATSUSHI
IPC: F21Y103/00
Filed: 2001-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sidelight type backlight device which prevents lowering of brightness of a lamp due to a fitting method of a reflector and with which the lamp can be drawn out at will without being affected by the reflector.  <P>SOLUTION: The device is provided with a light guide plate 13 equipped with a lamp 11 as a light source for illuminating a liquid crystal display device or the like and an incident end face part 12, and the light guide plate 13 is provided with a reflecting plate at its underside and an upper reflector 17 and a lower reflector 15 on its side face. The upper reflector 17 is fixed to the light guide plate 13 or a frame 10 and the lower reflector 15 has a lamp 11 mounted in free detachment.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002250922-A (JP)
Title: Liquid crystal display device and method for manufacturing the same
Inventor: TSUDA KEISUKE
IPC: G02F1/1337
Filed: 2001-12-19
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display device having the display characteristics excellent in the viewing angle characteristics and fast responding property in which liquid crystal molecules can be easily rendered into a bend alignment state and to provide a method for manufacturing the device. SOLUTION: The liquid crystal display device is equipped with a panel having a first substrate, a second substrate and a liquid crystal supplied to between the two substrates. The first substrate is prepared by forming grooves of a specified form, subjecting to the rubbing treatment in a first rubbing direction which is the longitudinal direction of the grooves, and then subjecting to the rubbing treatment in a second rubbing direction different from the first rubbing direction. The second substrate is subjected to the rubbing treatment in the same direction as the second rubbing direction. The grooves are not rubbed by the rubbing treatment in the second rubbing direction. The angle made by the first rubbing direction and the second rubbing direction is larger than 45 deg. and smaller than 135 deg..
Patent JP-2003190411-A (JP)
Title: Game machine
Inventor: WATANABE YUICHI
IPC: A63F7/02
Filed: 2001-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine which is separately provided with a main control board and a sub-control board and which reflects a game state backed up by the main control board to a performance state backed up by the sub-control board.  <P>SOLUTION: The game machine by which a prescribed game can be played is provided with the main control board for controlling the game, the sub-control board for controlling performance, and a power interruption discrimination means for discriminating the generation of power interruption according to dropping of voltage supplied to the main control substrate. The main control board transmits various kinds of commands with which the game state can be specified to the sub-control board and backs up the game state in the case of power interruption. The sub-control board makes performance according to a received command in the case of receiving the command showing the game state from the main control board. The performance state is backed up at an opportunity except power interruption such as in the case of receiving these commands. Voltage with which the power interruption discrimination means discriminates the occurrence of power interruption is set higher than voltage with which the sub control substrate stops operation.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002207378-A (JP)
Title: Method and machine for printing and/or coating on substrate
Inventor: BARTSCHER GERHARD
IPC: G03G15/20
Filed: 2001-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a method for controlling the gloss of a toner image or a coating formed on a substrate, almost irrespective of the gloss of the substrate constituted of paper or cardboard. SOLUTION: The melting degree of a toner layer to be fixed is controlled in accordance with the desired gloss.
Patent JP-2003194456-A (JP)
Title: Low temperature storage
Inventor: KASHIWASE YUKIO
IPC: F25D25/02
Filed: 2001-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a low temperature storage constituted to easily make effective use of a vacant space in a storage chamber.  <P>SOLUTION: This low temperature storage with the storage chamber 2 formed in a heat insulated box body 1 opened to a front face, stores stored objects F stacked in the storage chamber 2, in a low temperature state. The wall surface of the storage chamber 2 is provided with vertical posts 20, and the posts 20 are formed with locking holes 21 allowing the easy erection of shelf devices 27 according to the storage quantity of the stored objects F stored in the storage chamber 2.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003156004-A (JP)
Title: Hydraulic circuit in hydraulic auger
Inventor: TORIKAI MITSUTOSHI
IPC: E02F9/22
Filed: 2001-11-21
Abstract: PROBLEM TO BE SOLVED: To use a two-port type oil source as or instead of a construction machinery oil source having a hydraulic motor of a three-port type without additional pipe of a drain line 2. SOLUTION: A drain circuit is converged with a return line 3 or 3' via check valves 5 and 5' working as a pair of resistance valves in both of normal rotation and reverse rotation. Pressure of a drain port C of the hydraulic motor 1 is always set lower than the pressure of a return port R or L.
Patent JP-2003192864-A (JP)
Title: Polyvinyl alcohol-based resin composition and application of the same
Inventor: NAKARAI TATSUAKI
IPC: C08J5/00
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polyvinyl alcohol-based resin composition suitable for the application of polyvinyl alcohol-based resin formed products such as films which have high film-film blocking resistance and plasticizer bleed resistance and retain water solubility, transparency, glossiness and odorlessness each characteristic thereof.  <P>SOLUTION: This composition is obtained by compounding a polyvinyl alcohol-based resin with preferably 0.1-30 wt.%, based on the resin, of polyglycidol.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003198112-A (JP)
Title: Electrode structure of surface mounting component
Inventor: HIBI KOJI
IPC: H05K3/34
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To suppress a solder ball from being produced, which is cream solder uniformly pressed and spreads to an area such as beneath the component body where there is no space for excessive solder, and to save the mounting area on a printed board required to ensure a foot print space for excessive solder outside the terminal on the board, when a conventional surface mounting component is mounted onto the printed board by reflow soldering.  <P>SOLUTION: A solder ball is suppressed from being produced by providing a recess or a rough portion to the solder bonding surfaces of the component electrode, changing the direction in which cream solder is pressed, and ensuring a storage area for excessive solder. The mounting area required on the board is reduced by providing the storage area for excessive solder not in the foot print space outside the terminal but beneath the electrode. Moreover, the adjustment of strength and improvement of repair workability can be realized by increasing or decreasing the solder bonding area.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003192568-A (JP)
Title: Fragrant cosmetic composition
Inventor: KATO MASAMITSU
IPC: A61Q1/02
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fragrant cosmetic composition having fragrance without containing a perfume by including ≥5 wt.% water layer part produced in a step in which a perfume is produced by carrying out steam-distillation of a fragrant plant.  <P>SOLUTION: This fragrant cosmetic composition having the fragrance without containing the perfume contains ≥5 wt.% water layer part produced in the step in which the perfume is produced by carrying out the steam-distillation of the fragrant plant. The fragrant cosmetic has excellent characteristics in intensity of the fragrance, palatability of smell and safety without containing the perfume.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003198920-A (JP)
Title: Open/close communication terminal device
Inventor: KITAMURA KAZUO
IPC: H04N101/00
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an open/close communication terminal device which can be made fashionable, small-sized, and light-weight and which is designed for convenience of a user by taking arrangement of parts into consideration.  <P>SOLUTION: When the user depresses a side key 12 for a prescribed time or longer with an open/close communication terminal device 1 closed, a control part 20 recognizes the closed state and issues a continuous photographing instruction to a camera part 25. The camera part 25 outputs photographed subject picture data through a camera I/F 26 at intervals of a prescribed time on the basis of the continuous photographing instruction, and then the control part 20 temporarily stores the subject picture data in a buffer memory of a RAM 20b and displays a mirror picture on a subsidiary display part 18 while updating it at intervals of the prescribed time. When the user opens the open/close communication terminal device 1 later, the control part 20 displays a non-mirror picture obtained by continuous photographing on a main display part 2. When the timer photographing mode is set, a vertically inverted mirror picture is displayed on the subsidiary display part 18.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003203417-A (JP)
Title: Disk cartridge positioning pin for disk apparatus
Inventor: TOMIOKA SHOJI
IPC: G11B17/043
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a disk cartridge positioning pin for a disk apparatus for allowing a compact apparatus design, which is not caught by a disk cartridge.  <P>SOLUTION: In the positioning pin 2a where a conical face 2b is formed at an upper part of a cylindrical face 2a, the conical face 2b is truncated over the cylindrical face 2a by a plane 2c inclined more at a sharp angle from an inclined angle of a vertical cross section of the conical face 2b with respect to a perpendicular line.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003195932-A (JP)
Title: Production adjusting system
Inventor: KASE ICHIRO
IPC: G06Q50/04
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a production adjusting system capable of effectively adjusting the production of an unfinished product with respect to the discontinuation of order reception.  <P>SOLUTION: The quantity of work of an intermediate product in a previous process is determined on the basis of the necessary time for producing the intermediate product and the production quantity of the products in the previous process, and the stock quantity of the final product and that of the intermediate product are respectively determined. The quantity of work in process of the intermediate product in the previous process is appropriated and controlled (quantity of work control means) in accordance with the order reception scheduled quantity of the product, and the date for discontinuing the start of production of the intermediate product is determined (adjustment of production start) in accordance with the stock quantities of the final product and the intermediate product, and the quantity of work of the intermediate products, when the order reception schedule of the product is discontinued. In particular, the stock quantities of the final product and the intermediate product are respectively fitted to the total quantity of the order reception products, and the date for discontinuing the start of work in process of the intermediate product is determined on the basis of the shortage in fitting and the quantity of work in process of the intermediate product.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003202958-A (JP)
Title: Touch panel system for large screen
Inventor: NAKAMURA TAKUMA
IPC: G09F9/00
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a touch panel system for large screen, capable of performing highly precise detection even at the time of using a fine touch pen.  <P>SOLUTION: This touch panel system for large screen adopting a light blocking detecting system is provided with a reading lens 15S for image-forming reflected lights on a screen and a CCD 8 for receiving the reflected lights image- formed by the reading lens 15S. The reading lens 15S is provided with an elliptic diaphragm 17 whose elliptic longer sides are disposed vertically to the screen so that highly precise detection can be realized even at the time of using a fine touch pen.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003205490-A (JP)
Title: Industrial waste cutting device and its cutting method
Inventor: SAKADO SEIICHI
IPC: B23D17/00
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To finely cut industrial waste such as industrial goods of an extremely wide range of variety, old materials, daily goods such as old furniture, or the like whether they be soft or hard so they can be easily disposed, and particularly to positively and extremely efficiently carry out cutting work of a soft material to be cut which is difficult to cut.  <P>SOLUTION: The industrial waste cutting device comprises a movable cutting body B provided with a chevron cutting tooth 6, a fixed jaw A swingably supporting the movable cutting body B and having a groove part 2 for inserting the chevron cutting tooth 6, and a tooth rest member 3 attached in the groove part 2 and abutting on a cutting edge rim 6t of the chevron cutting tooth 6 inserted in the groove part 2.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003501734-A (JP)
IPC: G06K7/00
Filed: 2000-04-05
Abstract: A PC card of standard width and thickness (e.g. 54 mm and 5 mm) is constructed to receive a chip card of smaller width and thickness (e.g. 18 mm and 0.8 mm) so the PC card can used to connect contact pads of the chip card to an electronic device such as laptop computer into which the PC card is inserted. The PC card includes a sheet metal cover with a top cover portion (13) having a flat region that is deep drawn to form a ramp (30) that extends downwardly to an aperture (31). A chip card can be slid down along the ramp and through the aperture, and along an internal path portion in the card to engage contacts on a circuit board. Guides on opposite sides of the internal path portion can be formed by tabs (36, 37) partially punched out of the cover portion, parts fastened to the underside of the top sheet metal cover portion, and/or parts or components mounted on the circuit board.
Patent JP-2003527316-A (JP)
Title: 新規化合物
IPC: A61P25/08
Filed: 2000-06-29
Abstract: (57)【要約】
本発明は、抗痙攣活性を示し、種々の疾患の治療に有用である式（Ｉ）；[式中、Ｑは、単環式または二環式アリールまたはヘテロアリール環であり；Ｒ １ は、水素であり；Ｒ ２ は、水素またはハロゲン、ＮＯ ２ 、ＣＮ、Ｎ ３ 、ＣＦ ３ Ｏ−、ＣＦ ３ Ｓ−、ＣＦ ３ ＳＯ ２ 、ＣＦ ３ ＣＯ−、Ｃ １−６ アルキル、Ｃ １   −６ アルケニル、Ｃ １−６ ペルフルオロアルキル、Ｃ ３−６ シクロアルキル、Ｃ     ３−６ シクロアルキル−Ｃ １−４ アルキル−、Ｃ １−６ アルキルＯ−Ｃ １−６ アルキルＣＯ−、Ｃ ３−６ シクロアルキルＯ−、Ｃ ３−６ シクロアルキルＣＯ−、Ｃ ３−６ シクロアルキル−Ｃ １−４ アルキルＯ−、Ｃ ３−６ シクロアルキル−Ｃ     １−４ アルキルＣＯ−、フェニル、フェノキシ、ベンジルオキシ、ベンゾイル、フェニル−Ｃ １−４ アルキル−、Ｃ １−６ アルキルＳ−、Ｃ １−６ アルキルＳＯ     ２ −、（Ｃ １−４ アルキル） ２ ＮＳＯ ２ −、（Ｃ １−４ アルキル）ＮＨＳＯ ２ −、（Ｃ １−４ アルキル） ２ ＮＣＯ−、（Ｃ １−４ アルキル）ＮＨＣＯ−またはＣＯＮＨ ２ から選択される３個までの置換基または−ＮＲ ３ Ｒ ４ であり、ここに、Ｒ ３ は、水素またはＣ １−４ アルキル、およびＲ ４ は、水素、Ｃ １−４ アルキル、ホルミル、−ＣＯ ２ Ｃ １−４ アルキルまたは、−ＣＯＣ １−４ アルキル、または２個のＲ ２ は、一緒になって、飽和または不飽和および非置換または−ＯＨまたは＝Ｏにより置換された炭素環式環を形成する基であり；Ｘは、ハロゲン、Ｃ     １−６ アルコキシ、Ｃ １−６ アルキル、またはＣ １−６ ペルフルオロアルキル、および；Ｙは、水素、ハロゲン、Ｃ １−６ アルコキシ、Ｃ １−６ アルキルまたはＣ １−６ ペルフルオロアルキル]で表され、ただし、化合物Ｎ−（５−ヨード−１，２，３，４−テトラヒドロイソキノリン−７−イル）−４−アジドベンズアミドおよびＮ−（５−ヨード−１，２，３，４−テトラヒドロイソキノリン−７−イル）−５−ベンゾイル−２−メトキシベンズアミドを除く化合物、およびその医薬上許容される塩またはその溶媒和物に関する。
【化１】
Patent JP-2003504315-A (JP)
IPC: A61K39/00
Filed: 2000-06-14
Abstract: Immunoconjugates for treating diseases associated with neovascularization such as cancer, rheumatoid arthritis, the exudative form of macular degeneration, and atherosclerosis are described. The immunoconjugates typically consist of the Fc region of a human IgG1 immunoglobulin including the hinge, or other effector domain or domains that can elicit, when administered to a patient, a cytolytic immune response or cytotoxic effect against a targeted cell. The effector domain is conjugated to a targeting domain which comprises a factor VII mutant that binds with high affinity and specificity to tissue factor but does not initiate blood clotting such as factor VII having a substitution of alanine for lysine-341 or of alanine for serine-344.
Patent JP-2003506329-A (JP)
Title: セフポドキシメプロキセチルの改良アモルファス形態
IPC: C07D501/12
Filed: 2000-07-24
Abstract: (57)【要約】
改善されたアモルファス形態のセフポドキシメプロキセチル［（６Ｒ-［６α,７β（Ｚ））］-７-｛Ｅ（２-アミノ-４-チアゾリル）（メトキシイミノ）アセチル］アミノ］-３-（メトキシメチル）-８-オキソ-５-チア-アザ-ビシクロ［４.２.０］オクト-２-エネ-２-カルボキシル酸-１-［［（１-メチリエトキシ）カルボキシル酸-１-［［（１-メチルエトキシ）カルボニル］オキシ］エチルエステルの新規な製造法が開示されている。
Patent JP-2003506510-A (JP)
Title: ゴム組成物
IPC: C08L9/00
Filed: 2000-07-27
Abstract: (57)【要約】
臭素化ブチルゴムと共役ジオレフィンモノマーをベースとするポリマーとを、固体ポリマーを５０℃を超える温度でグラフトさせるために十分な時間混合することによりグラフト化させる。グラフト化コポリマーは、特にタイヤトレッド用組成物において有用である。
Patent JP-2003522352-A (JP)
Title: ディレクトリ構造を有するメモリ装置へのメモリアクセスのための方法及び装置
IPC: G06F17/30
Filed: 2000-08-01
Abstract: (57)【要約】
ディレクトリのオブジェクト階層はディレクトリ個別のスキーマコンフィギュレーション（ＳＫ）を用いてディレクトリ（ＤＩＲ）へのデータベースアプリケーション（ＤＢ-Ａ）のメモリアクセスを制御するアクセスユニット（ＺＥ）において写像される。この場合、このスキーマ（ＳＫ）は少なくとも１つの自由に構成可能なオブジェクト（Ｅｘｔ：ＦｉｎｄＥｘｔｅｎｓｉｏｎ）の分だけ拡張される。
Patent JP-2003507305-A (JP)
IPC: B32B17/10
Filed: 2000-08-21
Abstract: A curved laminated automotive glazing panel (10) having a radius of curvature at at least one portion that is less than 500 mm has a glazing panel which is provided with a solar control coating layer (25) positioned at its convex internal surface (11) and in which the coating stack comprises at least two space sputtered silver containing layers initially deposited on a substantially flat sheet of glazing material which is subsequently bent to form a part of the glazing panel (10).
Patent JP-2003507653-A (JP)
Title: 液体を制御するための弁
IPC: F02M57/02
Filed: 2000-08-01
Abstract: (57)【要約】
圧電式アクチュエータ（５）と、この圧電式アクチュエータ（５）の行程を伝達する液圧的伝達部を備えた、液体を制御するための弁が提案されている。液圧的伝達部は、圧力室（７）と、伝達面（１２）を備えたピストン部材（１０）とを有している。液圧的伝達部を介して、ピストン部材（１０）と接続している弁部材（１８）が制御可能である。このために、液圧的伝達部と弁部材（１８）との間に、機械的伝達部が挿入接続されている。
Patent JP-2003507479-A (JP)
IPC: A61K31/53
Filed: 2000-08-17
Abstract: A class of substituted 1,2,4-triazolo[4,3-]pyridazine derivatives, possessing an optionally substituted cycloalkyl, phenyl or heteroaryl substituent at the 3-position, a substituted alkoxy moiety at the 6-position, and an optionally substituted bicycloalkyl ring system at the 7-position, are selective ligands for GABAA receptors, in particular having high affinity for the alpha2 and/or alpha3 subunit thereof, and are accordingly of benefit in the treatment and/or prevention of disorders of the central nervous system, including anxiety and convulsions.